An existential risk factor is a factor that increases the probability of an existential catastrophe. Conversely, an existential security factor is a factor that decreases the probability of
an existential catastrophe. Analogous concepts have been used to analyze risks of human extinction and s-risks.
Cotton-Barratt, Owen, Max Daniel & Anders Sandberg (2020) Defence in depth against human extinction: prevention, response, resilience, and why they all matter, Global Policy, vol. 11, pp. 271–282.
Baumann, Tobias (2019) Risk factors for s-risks, Center for Reducing Suffering, February 13.